11145252869 has 4 divisors (see below), whose sum is σ = 11334155520. Its totient is φ = 10956350220.

The previous prime is 11145252857. The next prime is 11145252889. The reversal of 11145252869 is 96825254111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11145252869 - 2²⁴ = 11128475653 is a prime.

It is a super-2 number, since 2×11145252869² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11145252809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94451237 + ... + 94451354.

It is an arithmetic number, because the mean of its divisors is an integer number (2833538880).

Almost surely, 2^11145252869 is an apocalyptic number.

It is an amenable number.

11145252869 is a deficient number, since it is larger than the sum of its proper divisors (188902651).

11145252869 is an equidigital number, since it uses as much as digits as its factorization.

11145252869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188902650.

The product of its digits is 172800, while the sum is 44.

The spelling of 11145252869 in words is "eleven billion, one hundred forty-five million, two hundred fifty-two thousand, eight hundred sixty-nine".